Capetus was a descendant of Aeneas. He was said to have been the father of Tiberinus, who the Tiber river is named for. He was also a king of Alba Longa, built on the site of Rome. Aeneas (or Aineias) was a Trojan hero, the son of prince Anchises and the goddess Aphrodite (Venus in Roman sources). ... In Roman mythology, Tiberinus was added to the Oceanids, as the genius of the river Tiber. ... Tiber River in Rome The River Tiber (Italian Tevere), the third longest river in Italy (disputed — see talk page) at 406 km (252 miles) after the Po and the Adige, flows through the Campagna and Rome in its course from Mount Fumaiolo to the Tyrrhenian Sea, which it reaches in... Alba Longa was a city of ancient Latium in central Italy about 19 km (12 miles) southeast of Rome. ... The Roman Empire is the term conventionally used to describe the Ancient Roman polity in the centuries following its reorganization under the leadership of Octavian (better known as Caesar Augustus). ...